3 Color Blinking Flashing LED Auto Theft Deterrent Fake Car Antitheft Alarm System Flash Blink, AAA Battery Box Can Be Hidden So Only The Light Shows, On/Off switch, 2 Window Warning Decals (Rainbow) Lower price found: Search Amazon for B00M3F3W9G Bright flashing LED Alternates from Red to Blue to Green and changes flash rate automatically Runs for weeks on two AAA batteries- (not included) use on / off switch to extend run time 2 Window Warning Stickers - STOP! Silent Alarm and GPS Tracking LED lasts 100,000 hours No vehicle wiring required